User Steps:
1.Start an angle about 45 degrees to the surface
2.Slowly bring the drill up-right position and move the tool in the circular motion
3.Do not apply much pressure, let the drill bit do the work
4.Take care to cool the bit if you use it for multiple holes.
Suitable for: masonry wall, cement wall, concrete, tile, wood, metal, stainless steel, aluminum alloy, wood, bubble brick, etc.
Water is recommended for drilling on: stainless steel, glass, ceramic tile, marble, granite etc.(The drilling head can resist high temperature up to 1000 ℃. However, long session of work over 1000 ℃ may cause the head to burn.)